VAX 4000 Model 500

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VAX 4000 Model 500
Summary
Announcement date: 30 October 1991
Codename: Omega
Descriptive name: VAX 4000 Model 500
OS support (VMS): V5.5
CPU Details
CPU name (VMS): KA680
CPU module: KA680-AA
Module: L4002-BA
Number of processors: 1
VMS DCL CPU: 19
VMS DCL XCPU: 1
SID: 13000202
XSID: 01410601
CPU chip: NVAX (DC246) [1]
CPU technology: CMOS-4
CPU cycle time: 14ns [2]
CPU clock: 71MHz
Instruction-buffer: 16 bytes [1]
Translation-buffer: 96 entries [1]
Cache: 2KB VIC [1]
Primary cache: 8KB physical [1]
Backup cache: 128KB [1]
Compatibility mode: No
Console processor: CPU
Console device: None
Firmware version: V4.1
Memory
Minimum memory: 32MB [2]
Maximum memory: 512MB [1]
Physical address lines: 30
I/O
Q-bus: 1 @ 3.3MB/s [1]
BUS-DSSI: 2 @ 4.0MB/s (SHAC-embedded) (DC542) [1]
LAN support: 1 (SGEC - embedded) (DC541) [1]
Performance
VUPs: 24
SPECmarks: 30.5 [3]
TPC-A: 62.4

The VAX 4000 Model 500 was one of the VAX 4000 series.

References

[1] KA680 CPU Technical Manual. EK-KA680-TM-001
[2] KA675/KA680/KA690 CPU System Maintenance. EK-454AA-MG-001
[4] VAX Systems Performance Summary Featuring VAX 4000 Model 500 VAX 6000 Model 600 Systems.